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He thought earth was the center.
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Sun is the center of galaxy.
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Discovered solar flares and used telescope.
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Astronomer who discovered planetary motion, elliptical
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Improved the telescope and supported copernicus.
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Created laws of motion and others.
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.